Sokur: Aalenian - Bajocian, Kazakhstan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gnetopsida
Pityophyllum informal sp. 1 leaf Nathorst 1899
Pityophyllum informal sp. 2 leaf Nathorst 1899
Polypodiopsida
Cladophlebis informal sp. 1 leaf Brongniart 1849
Cladophlebis informal sp. 2 leaf Brongniart 1849
Cladophlebis informal sp. 3 leaf Brongniart 1849
Cladophlebis informal sp. 4 leaf Brongniart 1849
Cladophlebis informal sp. 5 leaf Brongniart 1849
Cladophlebis informal sp. 6 leaf Brongniart 1849
Cladophlebis informal sp. 7 leaf Brongniart 1849
Cladophlebis informal sp. 8 leaf Brongniart 1849
Cladophlebis informal sp. 9 leaf Brongniart 1849
Polypodiopsida - Cyatheales - Cyatheaceae
Coniopteris informal sp. 1 leaf Brongniart 1849
Coniopteris informal sp. 2 leaf Brongniart 1849
Polypodiopsida - Equisetales - Calamitaceae
Neocalamites informal sp. 1 axis Halle 1908
Polypodiopsida - Equisetales - Equisetaceae
Equisetites informal sp. 1 axis Sternberg 1833
Equisetites informal sp. 2 axis Sternberg 1833
Polypodiopsida - Polypodiaceae
Clathropteris informal sp. 1 leaf Brongniart 1828
Ginkgoopsida - Ginkgoales - Ginkgoaceae
Ginkgo informal sp. 1 leaf Linnaeus 1771
Ginkgo informal sp. 2 leaf Linnaeus 1771
Ginkgoopsida - Ginkgoales
Sphenobaiera informal sp. 1 leaf Florin 1936
Ginkgoopsida - Czekanowskiales
Ixostrobus informal sp. 1 Raciborski 1891
Phoenicopsis informal sp. 1 leaf Heer 1876
Phoenicopsis informal sp. 2 leaf Heer 1876
Phoenicopsis informal sp. 3 leaf Heer 1876
Phoenicopsis informal sp. 4 leaf Heer 1876
Leptostrobus informal sp. 1 Heer 1876
Czekanowskia informal sp. 1 leaf Heer 1876
Czekanowskia informal sp. 2 leaf Heer 1876
Angiospermae
Carpolithus informal sp. 1 Linnaeus 1768
Coniferales - Podocarpaceae
Podozamites informal sp. 1 leaf Braun 1843
Podozamites informal sp. 2 leaf Braun 1843
Coniferales
Desmiophyllum informal sp. 1 leaf Lesquereux 1878
Stenorachis informal sp. 1 leaf (Andrews 1970)
original and current combination Stenorhachis
Schizolepis informal sp. 1 Braun 1847
Bennettitales
Pterophyllum informal sp. 1 leaf Brongniart 1828
see common names

Geography
Country:Kazakhstan
Coordinates: 49.9° North, 72.6° East (view map)
Paleocoordinates:50.2° North, 73.6° East
Basis of coordinate:estimated from map
Time
Period:Jurassic Epoch:Middle Jurassic
*Period:Middle Jurassic
*International age/stage:Aalenian - Bajocian
Key time interval:Aalenian - Bajocian
Age range of interval:174.10000 - 168.30000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Sokur Suite
Lithology and environment
Taphonomy
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:List from p. 73-75. Genus-level assignments and numbers of species are from the PGAP database. Species names are in the process of being entered.
Metadata
Also known as:PGAP 790
Database number:30236
Authorizer:A. Rees Enterer:A. Rees
Research group:paleobotany
Created:2003-04-02 12:40:52 Last modified:2003-04-04 14:34:36
Access level:the public Released:2003-04-02 12:40:52
Creative Commons license:CC BY
Reference information

Primary reference:

8159.PGAP 325G. M. Koval'chuk. 1961. Paleobotanical characteristics of the Lower Mesozoic deposits of the Karaganda basin. Academy of Sciences of the USSR. Laborotary of Coal Geology. Transactions. History of the Lower Mesozoic coal deposition in Kazakhstan. Part 2. Chapter 4 13:67-85 [A. Rees/A. Rees/S. Bruning]